Question

What are guard cells ??!

Answer 1

$\fbox\pink{A}\fbox\blue{n}\fbox\purple{s}\fbox\green{w}\fbox\red{e}\fbox\orange{r}$Role of Guard cells regulating transpiration: Guard cells are kidney-shaped cells that protect the stomach and are responsible for opening and closing the pore of the stomach. As potassium ions build up in the guard cells, they absorb water and become bloated or turgid.

Answer 2

Explanation:

Guard cells are specialized plant cells in the epidermis of leaves, stems and other organs that are used to control gas exchange. They are produced in pairs with a gap between them that forms a stomatal pore.